Liferay Digital Experience Platform (DXP) creates, manages and optimizes digital experiences across multiple customer touchpoints. Liferay provides a mechanism that automatically upgrades DXP data to the latest DXP versions. The Liferay Support and Liferay Engineering tuned Liferay 6.2 EE databases for upgrade and tested upgrading them to Liferay DXP 7.1. Databases from several vendors were tested. This whitepaper describes the test scenarios, tuning for database upgrade and upgrade performance results.